class User():
    def __init__(self,first_name,last_name):
        self.first_name = first_name
        self.last_name = last_name
        
    def user_info(self):
        print(f'first name:{self.first_name};last name : {self.last_name}')
        
    def greet(self):
        print(f'Hello,{self.first_name} {self.last_name}')
        
user1 = User('gloria','claier')
user2 = User('Jay','claier')
user3 = User('Manny','claier')

user1.user_info()
user1.greet()

user2.user_info()
user2.greet()

user3.user_info()
user3.greet()